TW200507502A - System and method for separating signals received by an overloaded antenna array - Google Patents

System and method for separating signals received by an overloaded antenna array

Info

Publication number
TW200507502A
TW200507502A TW093109355A TW93109355A TW200507502A TW 200507502 A TW200507502 A TW 200507502A TW 093109355 A TW093109355 A TW 093109355A TW 93109355 A TW93109355 A TW 93109355A TW 200507502 A TW200507502 A TW 200507502A
Authority
TW
Taiwan
Prior art keywords
signals
signals received
antenna array
separating signals
separating
Prior art date
Application number
TW093109355A
Other languages
English (en)
Chinese (zh)
Inventor
Yuri Nmi Owechko
David B Shu
Original Assignee
Raytheon Co
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Raytheon Co filed Critical Raytheon Co
Publication of TW200507502A publication Critical patent/TW200507502A/zh

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/08—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station
    • H04B7/0837—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station using pre-detection combining
    • H04B7/0842—Weighted combining
    • H04B7/0848—Joint weighting
    • H04B7/0854—Joint weighting using error minimizing algorithms, e.g. minimum mean squared error [MMSE], "cross-correlation" or matrix inversion
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S3/00—Direction-finders for determining the direction from which infrasonic, sonic, ultrasonic, or electromagnetic waves, or particle emission, not having a directional significance, are being received
    • G01S3/02—Direction-finders for determining the direction from which infrasonic, sonic, ultrasonic, or electromagnetic waves, or particle emission, not having a directional significance, are being received using radio waves
    • G01S3/74—Multi-channel systems specially adapted for direction-finding, i.e. having a single antenna system capable of giving simultaneous indications of the directions of different signals

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Mathematical Physics (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Radio Transmission System (AREA)
  • Mobile Radio Communication Systems (AREA)
TW093109355A 2003-04-22 2004-04-05 System and method for separating signals received by an overloaded antenna array TW200507502A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US10/421,167 US7133699B1 (en) 2003-04-22 2003-04-22 System and method for separating signals received by an overloaded antenna array

Publications (1)

Publication Number Publication Date
TW200507502A true TW200507502A (en) 2005-02-16

Family

ID=33309573

Family Applications (1)

Application Number Title Priority Date Filing Date
TW093109355A TW200507502A (en) 2003-04-22 2004-04-05 System and method for separating signals received by an overloaded antenna array

Country Status (3)

Country Link
US (1) US7133699B1 (fr)
TW (1) TW200507502A (fr)
WO (1) WO2004095732A1 (fr)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7826870B2 (en) * 2003-04-22 2010-11-02 Raytheon Company Separating mixed signals in a cellular environment
US7231227B2 (en) * 2004-08-30 2007-06-12 Kyocera Corporation Systems and methods for blind source separation of wireless communication signals
JP4660773B2 (ja) * 2004-09-14 2011-03-30 国立大学法人北海道大学 信号到来方向推定装置、信号到来方向推定方法、および信号到来方向推定用プログラム
US7265715B2 (en) * 2004-09-23 2007-09-04 Interdigital Technology Corporation Communications device with adaptive decoding and associated methods
US7330801B2 (en) * 2005-07-29 2008-02-12 Interdigital Technology Corporation Signal separation using rank deficient matrices
US7446728B2 (en) * 2006-02-13 2008-11-04 Shidong Li Method and apparatus for constructing general wireless antenna systems
CN104688271B (zh) * 2015-03-27 2017-04-26 清华大学 合成聚焦超声成像方法和装置
CN106060834B (zh) * 2016-07-26 2017-08-01 中国人民解放军理工大学 一种提高频谱利用率的无线通信系统的设计方法

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6236862B1 (en) 1996-12-16 2001-05-22 Intersignal Llc Continuously adaptive dynamic signal separation and recovery system
US6424960B1 (en) 1999-10-14 2002-07-23 The Salk Institute For Biological Studies Unsupervised adaptation and classification of multiple classes and sources in blind signal separation
WO2001089167A2 (fr) 2000-05-15 2001-11-22 Virginia Tech Intellectual Properties, Inc. Procede et systeme de traitement matriciel en surcharge
AU2002248164A1 (en) * 2000-11-09 2002-08-06 Hrl Laboratories, Llc Blind decomposition using fourier and wavelet transforms

Also Published As

Publication number Publication date
US7133699B1 (en) 2006-11-07
WO2004095732A1 (fr) 2004-11-04

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